Powermatic 60B operating instructions Troubleshooting Operating Problems, Probable Cause Remedy

Troubleshooting – Operating Problems

Trouble

Finished stock is concave on back end.

Finished stock is concave on front end.

Stock has slight bevel after edge jointing.

Chip out.

Fuzzy, rough, or torn grain.

Board thickness does not match depth of cut scale.

Cutterhead slows while operating.

“Chatter” marks on workpiece.

Uneven knife marks on workpiece.

Probable Cause	Remedy
Knife is higher than outfeed table.	Raise outfeed table until it aligns with
	tip of knife. See page 16.
Outfeed table is higher than knife.	Lower outfeed table until it aligns with
	tip of knife. See page 16.
Fence not perpendicular to table.	Square up fence with table.
Cutting against the grain.	Cut with the grain whenever possible.
Dull knives.	Sharpen or replace knives.
Feeding workpiece too fast.	Use slower rate of feed.
Cutting too deeply.	Make shallower cuts.
Knots, imperfections in wood.	Inspect wood closely for imperfections;
	use different stock if necessary.
Wood has high moisture content.	Allow wood to dry or use different stock.
Dull knives.	Sharpen or replace knives.
Knives are cutting against grain.	Cut with the grain.
Depth of cut scale is incorrect.	Adjust scale correctly.
Feeding too quickly, or applying too	Feed more slowly, or apply less
much pressure to workpiece.	pressure to workpiece.
Excessive depth of cut.	Reduce depth of cut.
Dull knives.	Sharpen or replace knives.
	Set knives properly using provided knife
Knives incorrectly set.	setting gauge. Check that knife slots
	are clean and free of dust or debris.
Feeding workpiece too fast.	Feed workpiece slowly and
	consistently.
Knives are nicked, or out of	Replace nicked knives; align knives
	properly using knife-setting gauge. See
alignment.
	page 13.

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